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Tom Wesenberg · 08-15-2021, 04:22 PM

Ernie,
I use 2 gallons of vinegar, which as I recall was about 5% acid. The vinegar took the off the grease on the lead packing seals and made the original water pump leak and make a mess all over my engine. I cleaned it with diesel and WD-40. If my water pump would have had the double lip seal, it probably wouldn't have made the big mess, so now I use the seal for added protection on my water pumps.

I bet doing a search for "Tom Wesenberg engine mess" will turn up pictures of it.

08-15-2021, 04:22 PM	#20
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: model A overheats Ernie, I use 2 gallons of vinegar, which as I recall was about 5% acid. The vinegar took the off the grease on the lead packing seals and made the original water pump leak and make a mess all over my engine. I cleaned it with diesel and WD-40. If my water pump would have had the double lip seal, it probably wouldn't have made the big mess, so now I use the seal for added protection on my water pumps. I bet doing a search for "Tom Wesenberg engine mess" will turn up pictures of it.